CN105505122B - A kind of preparation method of bio-based environmental protection flame retardant water soluble paint - Google Patents
A kind of preparation method of bio-based environmental protection flame retardant water soluble paint Download PDFInfo
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- CN105505122B CN105505122B CN201610000885.4A CN201610000885A CN105505122B CN 105505122 B CN105505122 B CN 105505122B CN 201610000885 A CN201610000885 A CN 201610000885A CN 105505122 B CN105505122 B CN 105505122B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/08—Ethers
- C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
A kind of preparation method of new bio basic ring environment friendly flame-retardant water soluble paint, so that obtained feature flame-proof starch is modified to starch by MOLECULE DESIGN as initiation material, Water-soluble environment-friendlyanticorrosive bio-based fire retardant coating system is compounded to form with aqueous epoxy resins, and the structure with PART EPOXY group is devised in the structure of the flame-retardant system, this class formation can realize network cross-linked structure when later stage paint solidification, improve the performance of coating；In the flame-retardant system, carbon source, acid source, source of the gas are combined together by MOLECULE DESIGN, make it can be with more efficient performance fire retardation.The new bio basic ring environment friendly flame-retardant water soluble paint prepared using the inventive method, not only possesses the comparable physical and mechanical properties of traditional water paint, also assign the efficient fire retardant functionality of water paint, the added value of current water paint is substantially increased, this kind of differential, functionalization new type water-solubility coating will also improve the international competitiveness of China on the product.
Description
Technical field
The present invention relates to technical field of coatings, more particularly to a kind of preparation of new bio basic ring environment friendly flame-retardant water soluble paint
Method.
Background technology
Now, high polymer material is widely used in the every field such as life production, the demand of high polymer material
Increasingly increase.However, high polymer material is flammable or inflammable mostly.Therefore, in order that high polymer material obtains widely
Using, it is necessary to be carried out to high polymer material flame-retardant modified.Nowadays, each based flame retardant is added to be modified high polymer material,
It is one of Main Means for improving high polymer material fire resistance.Research is found according to investigations, suitable for the fire retardant of plastics system
The 80% of known flame retardant species is accounted for, the 3% of known flame retardant species is only accounted for suitable for the fire retardant of coating system.And coating is made
For a kind of new high polymer material, the steel component of the building, steelframe in house, hotel, big has been widely used in
The buildings such as tall building, airport, station.Therefore, the fire retardant studied and developed suitable for coating turns into current focus.
So far, fire retardant coating system focuses mostly in solvent based coating system.With the enhancing of people's environmental consciousness, wave
Hair property organic matter（VOC）The water paint that burst size is low, adhesive force is strong, good to material surface adaptability, gradually enters into people
Sight and capture Coating Market rapidly.It is well known, however, that fire retardant systems be not applied for water paint mostly.Wherein, it is main
If because most of flame-retardant system is non-water miscible and has a complex molecular structure.Therefore, addition is worked as
Suitable for being incompatible mostly between fire retardant and water paint when plastics or the fire retardant of other systems are into water paint
's.This can not only influence the flame retardant effect of water paint, at the same can to water paint in itself possessed characteristic cause it is one fixing
Ring.Therefore, study and develop the fire retardant systems that compatibility is good between a kind of energy and water paint, by with very high reality
Meaning.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of preparation method of new bio basic ring environment friendly flame-retardant water soluble paint, with
It is initiation material to be modified obtained feature flame-proof starch to starch by MOLECULE DESIGN, with aqueous epoxy resins complex
Into Water-soluble environment-friendlyanticorrosive bio-based fire retardant coating system, the fire retardant coating system can not influence the basis of coating physical property
On, it is effectively improved the fire resistance of water-based matrix coating.
To realize the above-mentioned purpose of the present invention, the present invention provides a kind of system of new bio basic ring environment friendly flame-retardant water soluble paint
Preparation Method, comprise the following steps.
Step 1,2~6g sodium tripolyphosphates are dissolved in 100mL distilled water, add the stirring of 25~40g starch, be used in combination
0.5~1.0mol/L sodium hydroxide solution adjusts pH value to 6~10, dry at 40~50 DEG C after temperature reaches 30~50 DEG C
It is dry to add 2.5~3.5g sodium chloride 60~80r/min of mechanical agitation to water content 30~50%, after being well mixed plus 10~
15mL epoxychloropropane reacts 2~3h at 40~50 DEG C, and 0.5~1h of thermal response is carried out being heated to 90~130 DEG C；With 2%
Salt acid for adjusting pH value is 6.0~6.8, is washed respectively with water, ethanol, and products obtained therefrom is placed in baking oven in 40 DEG C of drying, and work(is made
Energy property flame-proof starch, it is standby.
Step 2,20~30 parts of feature flame-proof starch are taken in parts by weight, be added to 100~200 parts of water and 100~200
In the mixed liquor of part water-base resin, 1~2h is disperseed in ball mill, produces the mother of new bio basic ring environment friendly flame-retardant water soluble paint
Liquid.
Step 3, after taking 25~50 parts of waterborne curing agents to be well mixed with 50~100 parts of water in parts by weight, then with it is new
The mother liquor of bio-based environmental protection flame retardant water soluble paint presses 1:3~4 mass ratio mixing.
The water-base resin is Ar555 epoxy resin, H228A epoxy resin, E44 epoxy resin, E51 epoxy resin, E20
Epoxy resin.
The waterborne curing agent is Aq419, H228B, W651, W650.
Beneficial effects of the present invention compared with prior art.
The preparation method of new bio basic ring environment friendly flame-retardant water soluble paint provided by the invention, with the raw material of biomass source
Based on, by MOLECULE DESIGN and study mechanism, a new generation is developed using starch as initiation material, there is the water-soluble of anti-flaming function
Property environment protection biological base fire retardant coating system.The environment protection biological base Intumescent Retardant System raw material sources are wide, preparation process is gentle
Environmental protection, energy consumption is low, has water solubility, has good compatibility and dispersiveness in water paint matrix；Meanwhile in environment-friendly type
The structure with PART EPOXY group is devised in the structure of bio-based Intumescent Retardant System, this class formation can be in later stage coating
Network cross-linked structure is realized when solidification, improves the performance of coating.In environment protection biological base Intumescent Retardant System, by carbon
Source, acid source, source of the gas are combined together by MOLECULE DESIGN, make it can be with more efficient performance fire retardation.In addition, party's legal system
Standby new bio basic ring environment friendly flame-retardant water soluble paint, not only possesses the comparable physical and mechanical properties of traditional water paint, also assigns
The efficient fire retardant functionality of water paint is given, substantially increases the added value of current water paint, it is this kind of differential, functionalization
New type water-solubility coating will also improve the international competitiveness of China on the product.
Brief description of the drawings
Fig. 1 is that feature flame-proof starch participates in paint solidification mechanism schematic diagram.
Embodiment
The present invention is further described with reference to specific embodiment.
The present embodiment provides a kind of preparation method of new bio basic ring environment friendly flame-retardant water soluble paint, comprises the following steps.
Step 1,2g sodium tripolyphosphates are dissolved in 100mL distilled water, add the stirring of 25g starch, and use 1.0mol/L
Sodium hydroxide solution adjust pH value to 10, after reaching 40 DEG C, 40 DEG C dry to water content 50%, add 3g sodium chloride
Mechanical agitation 60r/min, after well mixed plus 10mL epoxychloropropane reacts 3h at 50 DEG C, is again heated to 110 DEG C and carries out heat
React 1h；Salt acid for adjusting pH value with 2% is 6.8, is washed respectively with water, ethanol, and products obtained therefrom is placed in baking oven in 40 DEG C of bakings
It is dry, feature flame-proof starch is made, it is standby.
Step 2,25 parts of feature flame-proof starch are taken in parts by weight, be added to 100 parts of water and 100 parts of Ar555 asphalt mixtures modified by epoxy resin
In the mixed liquor of fat, 1h is disperseed in ball mill, produces the mother liquor of new bio basic ring environment friendly flame-retardant water soluble paint；
Step 3, after taking 50 parts of W651 to be well mixed with 100 parts of water in parts by weight, then with new bio basic ring environment friendly flame-retardant
The mother liquor of water soluble paint presses 1:4 mass ratio mixing, is produced.
Coated on the metal substrate through handling well, control thickness exists the new bio basic ring environment friendly flame-retardant water soluble paint
40~200um, cold curing.
The raw starch that the preparation method of the new bio basic ring environment friendly flame-retardant water soluble paint is main is inherently outstanding
Carbon source, and by MOLECULE DESIGN grafting up P elements, acid source can be used as at high temperature, starch structure is taken off using it
The gaseous matter that water and carburizing reagent are formed so as to construct expansibility flame-proof system, and then improves water paint as source of the gas
Fire resistance.Also, the structure with PART EPOXY group is devised in the structure, this class formation can be consolidated in later stage coating
Realize that network cross-linked structure improves the performance of coating when change, as shown in Figure 1.
Described starch-grafted P elements synthetic route is：
Claims (3)
1. a kind of preparation method of bio-based environmental protection flame retardant water soluble paint, it is characterised in that comprise the following steps：
Step 1,2~6g sodium tripolyphosphates are dissolved in 100mL distilled water, add the stirring of 25~40g starch, and with 0.5~
1.0mol/L sodium hydroxide solution adjusts pH value to 6~10, after temperature reaches 30~50 DEG C, is dried at 40~50 DEG C to containing
Water 30~50%, 2.5~3.5g sodium chloride 60~80r/min of mechanical agitation are added, add 10~15mL epoxies after being well mixed
Chloropropane reacts 2~3h at 40~50 DEG C, and 0.5~1h of thermal response is carried out being heated to 90~130 DEG C；Adjusted with 2% hydrochloric acid
PH value is 6.0~6.8, is washed respectively with water, ethanol, and products obtained therefrom is placed in baking oven in 40 DEG C of drying, and it is fire-retardant that feature is made
Starch, it is standby；
Step 2,20~30 parts of feature flame-proof starch are taken in parts by weight, be added to 100~200 parts of water and 100~200 parts of water
Property resin mixed liquor in, 1~2h is disperseed in ball mill, produces the mother liquor of new bio basic ring environment friendly flame-retardant water soluble paint；
Step 3, after taking 25~50 parts of waterborne curing agents to be well mixed with 50~100 parts of water in parts by weight, then with new bio
The mother liquor of basic ring environment friendly flame-retardant water soluble paint presses 1:3~4 mass ratio mixing.
2. the preparation method of bio-based environmental protection flame retardant water soluble paint as claimed in claim 1, it is characterised in that described water-based
Resin is Ar555 epoxy resin, H228A epoxy resin, E44 epoxy resin, E51 epoxy resin or E20 epoxy resin.
3. the preparation method of bio-based environmental protection flame retardant water soluble paint as claimed in claim 1, it is characterised in that described water-based
Curing agent is Aq419, H228B, W651 or W650.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000885.4A CN105505122B (en) | 2016-01-04 | 2016-01-04 | A kind of preparation method of bio-based environmental protection flame retardant water soluble paint |
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| CN201610000885.4A CN105505122B (en) | 2016-01-04 | 2016-01-04 | A kind of preparation method of bio-based environmental protection flame retardant water soluble paint |
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| CN105505122A CN105505122A (en) | 2016-04-20 |
| CN105505122B true CN105505122B (en) | 2018-03-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034322B (en) * | 2018-01-11 | 2020-09-08 | 长春顺风新材料有限公司 | Fireproof coating and preparation method thereof |
| CN109337512B (en) * | 2018-09-30 | 2020-08-11 | 长春顺风新材料有限公司 | Environment-friendly water-soluble coating and preparation method thereof |
| CN110283426B (en) * | 2019-07-11 | 2021-12-03 | 江南大学 | Bio-based degradable starch filled epoxy resin composite material and preparation method thereof |
| CN111154378A (en) * | 2020-01-16 | 2020-05-15 | 长春顺风新材料有限公司 | Bio-based flame-retardant coating and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101880507B (en) * | 2010-07-02 | 2013-03-13 | 石家庄市金达特种涂料有限公司 | Expanded water-based fireproof varnish and preparation method |
| CN102766391A (en) * | 2012-08-17 | 2012-11-07 | 东莞市大兴化工有限公司 | Aqueous halogen-free ultrathin intumescent steel structure fire retardant coating and preparation method thereof |
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Address after: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Applicant after: Shenyang Shunfeng New Materials Co., Ltd Address before: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Applicant before: Shenyang Shunfeng Metro Building Materials Co., Ltd. |
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Address after: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Patentee after: Liaoning Shunfeng New Material Technology Co.,Ltd. Address before: 110141 Yao village, Yuhong Township, Yuhong District, Liaoning, Shenyang Patentee before: SHENYANG SHUNFENG NEW MATERIAL Co.,Ltd. |